The RIA 5.0 - Firing Pin Block Lever is a replacement part for your AR-15 lower receiver. It is made from high-quality steel and is precision machined to ensure a perfect fit. The firing pin block lever is a critical part of the AR-15 safety system, and it is important to have a quality replacement part in place if yours is damaged or worn out.
**Proper gunsmith fitting required for accurate fit & safe function.**